--- --- restore content begins
A, MTV processes
composition:
model
view
template
urls
Two, django Scheme
Client ---> urls
urls----->views
views--->modes
modes--->views
views---->template
template -> Client
Three, Model
model
in django
Supplementary to the inheritance model
Supplement to field constraints
How mapping with databases
Principle of ORM
crud operations
--- end --- restore content
A, MTV processes
composition:
model
view
template
urls
Two, django Scheme
Client ---> urls
urls----->views
views--->modes
modes--->views
views---->template
template -> Client
Three, Model
model
in django
Supplementary to the inheritance model
Supplement to field constraints
How mapping with databases
Principle of ORM
crud operations
